Tektronix 511 Instruction Manual page 45

DEFLECTION POLARITY SELECTOR WAVEFORMS
Normal operation of this circuit for observation of pulses is
shown in the following photographs. The sawtooth pulse has a
duration of 1 millisecond and a 60 cycle repetition rate.
Fig. 4-1. Sawtooth pulse with DEFLECTION
POLARITY switch in the " up" posi­
tion, showing good linearity at 4 cm
deflection. A M step" has been intro­
duced for comparison between the
" up" and " center" positions.
Fig. 4-3. Sawtooth pulse of opposite polarity
with DEFLECTION POLARITY switch
in the " down" position.
Fig. 4-2. Same pulse with DEFLECTION PO­
Fig. 4-4. Same pulse with DEFLECTION PO-
T Y P E 51 1 —M A I N T E N A N C E
LARITY switch in " center" position.
Note that position of the step is un­
changed, indicating good linearity for
almost 3 cm. of deflection , but severe
distortion between 3 and 4 cm.
LARITY switch in the " center" posi-
tion.
P A G E 4— 1 9